JPH02145893U - - Google Patents

Info

Publication number
JPH02145893U
JPH02145893U JP14890089U JP14890089U JPH02145893U JP H02145893 U JPH02145893 U JP H02145893U JP 14890089 U JP14890089 U JP 14890089U JP 14890089 U JP14890089 U JP 14890089U JP H02145893 U JPH02145893 U JP H02145893U
Authority
JP
Japan
Prior art keywords
casing
acoustic transducer
attached
outside
acoustic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14890089U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP14890089U priority Critical patent/JPH02145893U/ja
Publication of JPH02145893U publication Critical patent/JPH02145893U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Headphones And Earphones (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP14890089U 1989-12-25 1989-12-25 Pending JPH02145893U (US06633600-20031014-M00021.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14890089U JPH02145893U (US06633600-20031014-M00021.png) 1989-12-25 1989-12-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14890089U JPH02145893U (US06633600-20031014-M00021.png) 1989-12-25 1989-12-25

Publications (1)

Publication Number Publication Date
JPH02145893U true JPH02145893U (US06633600-20031014-M00021.png) 1990-12-11

Family

ID=31695330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14890089U Pending JPH02145893U (US06633600-20031014-M00021.png) 1989-12-25 1989-12-25

Country Status (1)

Country Link
JP (1) JPH02145893U (US06633600-20031014-M00021.png)

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